Gas burner



FIG. 1 is a perspective view showing a top, front and right side of a gas burner of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is another perspective view showing a top, rear and right side thereof;

FIG. 9 is another perspective view showing a top, front and left side thereof; and,

FIG. 10 is anther perspective view showing a bottom, front and right side thereof.

The broken lines in the drawing views depict environment and form no part of the claimed design. 

CLAIM The ornamental design for a gas burner, as shown and described. 